-15 ? 7x - 8 ? 13
A. [-1, 3)
B. [-1, 3]
C. (-1, 3)
D. (-1, 3]
Answer: B
Mathematics
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Find the indicated derivative.Find y " if y = 9 sin x.
A. y " = 81 sin x B. y " = - 9 sin x C. y " = 9 cos x D. y " = 9 sin x
Mathematics
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
A book designer has decided that the pages of a book should have 1 in.margins at the top and bottom and 
in.margins on the sides. She further stipulated that each page should have an area of 27 in.2 (see the figure).
?
?
Determine the page dimensions that will result in the maximum printed area on the page, where 
.
?
A. 
B. ?
C. ?
D. ?
Mathematics
Convert to a logarithmic equation.
2 = 
A. log10/32 = 
B. 
= 
C. log2
= 
D. log10/3
= 2
Mathematics